Chemical Process Permanent hardness of water is due to the presence of calcium & magnesium Carbonate Sulphates & chlorides Bi-carbonates None of these Carbonate Sulphates & chlorides Bi-carbonates None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which oil is preferred for paint manufacture? Semi-drying oil Non-drying oil Drying oil Saturated oil Semi-drying oil Non-drying oil Drying oil Saturated oil ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Thermal pyrolysis of ethylene dichloride produces Trichloroethylene Ethylene oxide Ethanol amine Vinyl chloride Trichloroethylene Ethylene oxide Ethanol amine Vinyl chloride ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at __________ °C. 90-100 250-300 15-30 90-100 250-300 15-30 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used As a rust preventive As a foam depressant in distillation column As a lubricant In hard water for cleaning of cloth As a rust preventive As a foam depressant in distillation column As a lubricant In hard water for cleaning of cloth ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Fermentation is adversely affected by the Presence of ammonium salts Presence of air Absence of air High concentration Presence of ammonium salts Presence of air Absence of air High concentration ANSWER DOWNLOAD EXAMIANS APP
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